introduction to body structure

Did You Know? - The cells that make up our body are so small that you would fit over 200 of them on the full stop at the end of this sentence. The word cell is derived from the Latin word cellula which means a little room. It was the British botanist Robert Hooke who, in 1664, while exami..

A tissue is an aggregation of cells that have a common origin and structure, and perform similar functions. Tissues are meant for meeting the physical and physiological needs of the plant body. An angiosperm plant body shows two major types of tissues namely, Meristema..

Animals are different from plants because of their ability of locomotion. This ability probably developed as they have to search for food, unlike the plants that are autotrophic. Since they move from place to place, the animals have to continuously encounter changes in their environment. All animal..

The study of world of life is as old as man itself. All living organisms are made up of a few elements which are repeated in each of them. The basic unit of life - cell, is a structural and functional entity of life. Of all the environmental factors that affect plant life, none is more im..

The cells that make up our body are so small that you could fit over 200 of them on the full stop at the end of this sentence Before we plunge into the chapter, here are some interesting facts about cells. Read on... The word cell is derived from the Latin word cellula which means..

. This opening is guarded by the bicuspid (having two flaps) or the mitral valve. The tricuspid and the bicuspid valves prevent backflow of blood into the auricles from the ventricles when the latter pump the blood into the blood vessels. The deoxygenated blood from the different parts of the ..

A story unfolds - Structure of atom - Let us right away meet those who scripted a mighty story of a miniscule ato..

Introduction - The cells that make up our body are so small that you would fit over 200 of them on the full stop at the end of this sentenc..

The nitrogenous waste materials produced in the animal body due to metabolic reactions are of no use to the cell. These waste materials if allowed to accumulate in the body, may become toxic. Therefore, they must be removed from the body. The process of eliminati..

Materials formed in one part of the body have to be taken up to other parts where they are needed or to be got rid of. This is an essential requirement of most animals. This function is performed by the body fluid..